HP 95LX - Page 68

4. Review the data and edit it if necessary. For small simple errors, just type in
the correct value again and press [ENTER]. Keep in mind that there are five
macros available to help you:
. Displays the raw data whenever it isn’t in view.
. Deletes a specified number of data pairs, starting at the
* (ATH
* (ALTHG]
current cell and going downward. Because you have entered
two columns of data, it is paired data. You cannot delete one
of the items in a pair without deleting the other.
Inserts a specified number of blank rows, starting at the
current cell and going downward. Default is one row.
Enters a group of consecutive, equal data-pairs, starting at the
current cell and going downward. The entries overwrite any
previous data in the cells they use.
. Erases all statistics data.
After you finish editing, you should see these column totals:
Cell B43: 28650 Cell C43: 251588
5. Look at descriptive statistics: Press (AYG 3 « « »). You will see:
68
/
Bil: [W151 FEHL
| 0
2
re
= N 11
4 T 2680
Sf 264
dM
539
Tv S 397
= M 284
EE M Bae
INS 08E
11
\_ J
N is the number of data pairs.
Totals is the column totals.
AYG is the average for each variable
P. STD is the population standard deviation (c,) for each variable.
S. STD is the sample standard deviation (o,_,) for each variable.
MIN is the minimum value of each variable.
MAX is the maximum value of each variable.
RANGE is the range of values from the minimum to the maximum.
2. ANALYZING INFORMATION